<?php

/*
	Question2Answer (c) Gideon Greenspan

	http://www.question2answer.org/

	
	File: qa-include/qa-page-admin-usertitles.php
	Version: See define()s at top of qa-include/qa-base.php
	Description: Controller for admin page for editing custom user titles


	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	of the License, or (at your option) any later version.
	
	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	More about this license: http://www.question2answer.org/license.php
*/

if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser
    header('Location: ../');
    exit;
}

require_once QA_INCLUDE_DIR . 'qa-app-admin.php';
require_once QA_INCLUDE_DIR . 'qa-db-selects.php';


//	Get current list of user titles and determine the state of this admin page

$oldpoints = qa_post_text('edit');
if (!isset($oldpoints))
    $oldpoints = qa_get('edit');

$pointstitle = qa_get_points_to_titles();


//	Check admin privileges (do late to allow one DB query)

if (!qa_admin_check_privileges($qa_content))
    return $qa_content;


//	Process saving an old or new user title

$securityexpired = false;

if (qa_clicked('docancel'))
    qa_redirect('admin/users');

elseif (qa_clicked('dosavetitle')) {
    require_once QA_INCLUDE_DIR . 'qa-util-string.php';

    if (!qa_check_form_security_code('admin/usertitles', qa_post_text('code')))
        $securityexpired = true;

    else {
        if (qa_post_text('dodelete')) {
            unset($pointstitle[$oldpoints]);

        } else {
            $intitle = qa_post_text('title');
            $inpoints = qa_post_text('points');

            $errors = array();

            //	Verify the title and points are legitimate

            if (!strlen($intitle))
                $errors['title'] = qa_lang('main/field_required');

            if (!is_numeric($inpoints))
                $errors['points'] = qa_lang('main/field_required');
            else {
                $inpoints = (int)$inpoints;

                if (isset($pointstitle[$inpoints]) && ((!strlen(@$oldpoints)) || ($inpoints != $oldpoints)))
                    $errors['points'] = qa_lang('admin/title_already_used');
            }

            //	Perform appropriate action

            if (isset($pointstitle[$oldpoints])) { // changing existing user title
                $newpoints = isset($errors['points']) ? $oldpoints : $inpoints;
                $newtitle = isset($errors['title']) ? $pointstitle[$oldpoints] : $intitle;

                unset($pointstitle[$oldpoints]);
                $pointstitle[$newpoints] = $newtitle;

            } elseif (empty($errors)) // creating a new user title
                $pointstitle[$inpoints] = $intitle;
        }

        //	Save the new option value

        krsort($pointstitle, SORT_NUMERIC);

        $option = '';
        foreach ($pointstitle as $points => $title)
            $option .= (strlen($option) ? ',' : '') . $points . ' ' . $title;

        qa_set_option('points_to_titles', $option);

        if (empty($errors))
            qa_redirect('admin/users');
    }
}


//	Prepare content for theme

$qa_content = qa_content_prepare();

$qa_content['title'] = qa_lang_html('admin/admin_title') . ' - ' . qa_lang_html('admin/users_title');
$qa_content['error'] = $securityexpired ? qa_lang_html('admin/form_security_expired') : qa_admin_page_error();

$qa_content['form'] = array(
    'tags' => 'method="post" action="' . qa_path_html(qa_request()) . '"',

    'style' => 'tall',

    'fields' => array(
        'title' => array(
            'tags' => 'name="title" id="title"',
            'label' => qa_lang_html('admin/user_title'),
            'value' => qa_html(isset($intitle) ? $intitle : @$pointstitle[$oldpoints]),
            'error' => qa_html(@$errors['title']),
        ),

        'delete' => array(
            'tags' => 'name="dodelete" id="dodelete"',
            'label' => qa_lang_html('admin/delete_title'),
            'value' => 0,
            'type' => 'checkbox',
        ),

        'points' => array(
            'id' => 'points_display',
            'tags' => 'name="points"',
            'label' => qa_lang_html('admin/points_required'),
            'type' => 'number',
            'value' => qa_html(isset($inpoints) ? $inpoints : @$oldpoints),
            'error' => qa_html(@$errors['points']),
        ),
    ),

    'buttons' => array(
        'save' => array(
            'label' => qa_lang_html(isset($pointstitle[$oldpoints]) ? 'main/save_button' : ('admin/add_title_button')),
        ),

        'cancel' => array(
            'tags' => 'name="docancel"',
            'label' => qa_lang_html('main/cancel_button'),
        ),
    ),

    'hidden' => array(
        'dosavetitle' => '1', // for IE
        'edit' => @$oldpoints,
        'code' => qa_get_form_security_code('admin/usertitles'),
    ),
);

if (isset($pointstitle[$oldpoints]))
    qa_set_display_rules($qa_content, array(
        'points_display' => '!dodelete',
    ));
else
    unset($qa_content['form']['fields']['delete']);

$qa_content['focusid'] = 'title';

$qa_content['navigation']['sub'] = qa_admin_sub_navigation();


return $qa_content;


/*
	Omit PHP closing tag to help avoid accidental output
*/